diff --git a/.circleci/config.yml b/.circleci/config.yml
index 0039b29..e01ba65 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -14,7 +14,7 @@ version: 2
 jobs:
   build:
     docker:
-      - image: circleci/python:latest
+      - image: circleci/python:3.7.4
     working_directory: ~/repo
     steps:
       - checkout
@@ -40,7 +40,7 @@ jobs:
 
   test:
     docker:
-      - image: circleci/python:latest
+      - image: circleci/python:3.7.4
       - image: postgres:9.6.2-alpine
         environment:
           POSTGRES_USER: myUser